Product comparison · 2 servers

Dell PowerEdge R640 server vs Lenovo ThinkSystem ST550

61specifications compared
20differ
41identical
40known for one product only

Key differences

Processor family
- PowerEdge R640 server:Intel Xeon Silver
- ThinkSystem ST550:Intel® Xeon®
Processor model
- PowerEdge R640 server:4116
- ThinkSystem ST550:4110
Processor cores
- PowerEdge R640 server:12
- ThinkSystem ST550:8
Processor cache
- PowerEdge R640 server:16.5 MB
- ThinkSystem ST550:11 MB
Memory channels supported by processor
- PowerEdge R640 server:Hexa
- ThinkSystem ST550:Hepta
Memory types supported by processor
- PowerEdge R640 server:DDR4-SDRAM
- ThinkSystem ST550:LPDDR4-SDRAM
Processor threads
- PowerEdge R640 server:24
- ThinkSystem ST550:16
Tcase
- PowerEdge R640 server:76 °C
- ThinkSystem ST550:77 °C

Side by side

Differences highlightedShow differences only

Comparison of R640, ThinkSystem ST550
101 specifications	A Dell PowerEdge R640 server Model R640 View product	B Lenovo ThinkSystem ST550 View product
Processor8 differ
Processor familyDiffers	Intel Xeon Silver	Intel® Xeon®
Processor modelDiffers	4116	4110
Processor coresDiffers	12	8
Processor cacheDiffers	16.5 MB	11 MB
Memory channels supported by processorDiffers	Hexa	Hepta
Memory types supported by processorDiffers	DDR4-SDRAM	LPDDR4-SDRAM
Processor threadsDiffers	24	16
TcaseDiffers	76 °C	77 °C
Processor codeKnown for one	SR3HQ	Unknown — not stated by the source
SteppingKnown for one	M0	Unknown — not stated by the source
Intelligent Platform Management Interface (IPMI) supportKnown for one	Yes	Unknown — not stated by the source
Memory2 differ
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 16 GB
Memory slotsDiffers	24	12
Maximum internal memoryDiffers	192 GB	768 GB
ECCKnown for one	Yes	Unknown — not stated by the source
Storage3 differ
Maximum storage capacityKnown for one	Unknown — not stated by the source	61.44 TB
HDD interfaceDiffers	Serial Attached SCSI (SAS)	Serial ATA, Serial Attached SCSI (SAS)
Supported HDD sizesDiffers	2.5"	2.5,3.5"
RAID levelsDiffers	0, 1, 5, 10	0, 1, 5, 6, 10, 50, 60
Supported RAID controllersKnown for one	Unknown — not stated by the source	530-8i
Hot-swapKnown for one	Unknown — not stated by the source	Yes
Total storage capacityKnown for one	300 GB	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	300 GB	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Internal drive baysKnown for one	8	Unknown — not stated by the source
Optical drive typeKnown for one	DVD±RW	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
On-board graphics card modelKnown for one	Unknown — not stated by the source	Matrox G200
Networkidentical
LAN controllerKnown for one	Broadcom 5720	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	1	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	3
Ethernet LAN (RJ-45) portsKnown for one	4	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slots1 differ
PCI Express x8 (Gen 3.x) slotsDiffers	3	2
PCI Express x16 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	2
Design1 differ
Chassis typeDiffers	Rack (1U)	Tower
Rack mountingKnown for one	Yes	Unknown — not stated by the source
Rack railsKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Performance managementKnown for one	Unknown — not stated by the source	XClarity Standard
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM) versionKnown for one	Unknown — not stated by the source	1.2
Remote administrationKnown for one	iDRAC9 Enterprise	Unknown — not stated by the source
Software1 differ
Compatible operating systemsDiffers	Canonical Ubuntu LTS Citrix XenServer Microsoft Windows Server with Hyper-V Red Hat Enterprise Linux SUSE Linux Enterprise Server VMware ESXi	Microsoft Windows Server 2016/2012 R2, Red Hat Enterprise Linux 7.3/6.9, SUSE, Linux Enterprise Server 12 SP2/11 SP4, VMware vSphere (ESXi) 6.5/6.0 U3
Processor special features1 differ
Processor ARK IDDiffers	120481	123547
Intel Secure BootKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Redundant power supply (RPS) supportKnown for one	Unknown — not stated by the source	Yes
Power supplyKnown for one	Unknown — not stated by the source	750 W
Number of main power suppliesKnown for one	Unknown — not stated by the source	1
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 35 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-10 - 60 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 90%
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 3048 m
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	175.8 mm
DepthDiffers	705 mm	666.4 mm
HeightKnown for one	Unknown — not stated by the source	425.5 mm
Other featuresidentical
Dell E-Value CodeKnown for one	PER6402	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More server comparisons

All server comparisons